| Rutherglen to Smolyan | 1,625.45 mi (2,615.91 km) |
| Rutherglen to Sofia | 1,521.17 mi (2,448.08 km) |
| Rutherglen to Sopot | 1,573.98 mi (2,533.07 km) |
| Rutherglen to Sozopol | 1,691.93 mi (2,722.90 km) |
| Rutherglen to Sredets | 1,676.93 mi (2,698.76 km) |
| Rutherglen to Stamboliyski | 1,591.90 mi (2,561.91 km) |
| Rutherglen to Stara Zagora | 1,616.84 mi (2,602.06 km) |
| Rutherglen to Svilengrad | 1,669.48 mi (2,686.77 km) |
| Rutherglen to Svishtov | 1,548.88 mi (2,492.67 km) |
| Rutherglen to Targovishte | 1,611.25 mi (2,593.05 km) |
| Rutherglen to Teteven | 1,543.64 mi (2,484.25 km) |
| Rutherglen to Troyan | 1,561.35 mi (2,512.75 km) |
| Rutherglen to Tryavna | 1,590.29 mi (2,559.33 km) |
| Rutherglen to Tutrakan | 1,574.98 mi (2,534.68 km) |
| Rutherglen to Varna | 1,661.80 mi (2,674.41 km) |
